As our Sr. Tax Specialist, you will be responsible for the end-to-end management of MStar's tax obligations in Mexico, including monthly, annual, and informative returns, as well as tax compliance across all business lines.

This hands-on role requires deep expertise in ISR, IVA, and withholding taxes (including cross-border withholding under applicable Double Taxation Agreements / DTAs), along with the ability to proactively identify tax exposures and strategic opportunities.

KEY RESPONSIBILITIES

Tax Compliance & Returns

- Prepare, review, and submit monthly provisional tax returns (ISR, IVA, IEPS where applicable) accurately and on time via the SAT web portal.
- Prepare and file annual tax returns (personas morales) and supplementary schedules, including DIOT, DISIF, and other informative filings.
- Oversee creditable VAT (IVA acreditable) and withheld tax positions.

Withholding Taxes & Cross-Border Matters

- Determine, calculate, and apply the correct withholding tax rates on payments to foreign residents (personas morales o físicas residentes en el extranjero) in accordance with LISR and applicable DTAs.

Tax Accounting & Reconciliation

- Prepare monthly tax provisions and ensure accurate booking of deferred taxes (ISR diferido) under NIF D-4 / IAS 12.
- Maintain and update the tax basis of assets and liabilities (CUFIN, CUCA, and tax loss carryforwards) on a monthly basis.





Tax Discovery & Product Development

- Participate in the early-stage design and structuring of new financial products to proactively evaluate tax impacts.

Transfer Pricing

- Support the preparation of the annual transfer pricing study in coordination with external advisors to ensure intercompany transactions meet arm's-length principles.

Tax Audits & SAT Relations

- Serve as the primary point of contact for SAT audits and tax reviews.
- Prepare and organize responses to authority inquiries, collaborating with external advisors on defense strategies.

QUALIFICATIONS & REQUIREMENTS

- Education: Bachelor's degree in Public Accounting or Finance (Required).
- 5–7 years of progressive tax experience, with at least 2 years in a senior or specialist role.
- Prior in-house tax experience at a regulated FinTech, financial institution (SOFOM, SOFIPO, bank), or high-growth startup is strongly preferred.
- English: Intermediate level minimum (ability to read technical documents); Upper-intermediate / Advanced strongly preferred.

We'd love to meet you and have you join our community! We do not discriminate on any grounds protected by law. We value diversity and firmly believe that an environment free from discrimination drives innovation, respect, and mutual growth.

📌 Sr. Tax Specialist (Ciudad de México)
🏢 MSTAR INNOVATION
📍 Ciudad de México